Unpowered pre-dedusting chamber applied to SCR (Selective Catalytic Reduction) denitration reactor of chain furnace

• Main Authors: ZHU GUANGZHI, YAO LEI, JIA JIQIANG, SHA JINHUA
• Format: Patent
• Language: Chinese; English
• Published: 06.09.2022
• Subjects: PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING

The utility model provides an unpowered pre-dedusting chamber applied to an SCR (Selective Catalytic Reduction) denitration reactor of a chain furnace, the unpowered pre-dedusting chamber comprises a smoke inlet connector, a pre-dedusting chamber body and a smoke outlet connector, the pre-dedusting chamber body comprises a dedusting chamber, an ash bucket, a switch valve and a slag extractor; an inner cavity of the dust removal chamber is sequentially divided into a gravity settling chamber, an inertia collision chamber and a fine particle capturing chamber from front to back; the smoke inlet connector is arranged at the front end of the dust chamber, the smoke outlet connector is arranged at the rear end of the dust chamber, and the rear end of the smoke outlet connector is connected with the SCR denitration reactor; according to the invention, airflow can be uniformly distributed, so that the flow field distribution of flue gas entering the SCR reactor is more uniform; large-particle fly ash in the flue gas